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avfilter/vf_drawtext: extend boxborderw option

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Adds support for different border size in each direction.
This commit is contained in:
yethie
2023-05-26 12:21:31 +02:00
committed by Paul B Mahol
parent 1eeb59a209
commit 79e39978d8
2 changed files with 49 additions and 4 deletions
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12
doc/filters.texi
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@@ -12363,7 +12363,17 @@ The default value of @var{box} is 0.
@item boxborderw
Set the width of the border to be drawn around the box using @var{boxcolor}.
The default value of @var{boxborderw} is 0.
The value must be specified using one of the following formats:
@itemize @bullet
@item @code{boxborderw=10} set the width of all the borders to 10
@item @code{boxborderw=10|20} set the width of the top and bottom borders to 10
and the width of the left and right borders to 20
@item @code{boxborderw=10|20|30} set the width of the top border to 10, the width
of the bottom border to 30 and the width of the left and right borders to 20
@item @code{boxborderw=10|20|30|40} set the borders width to 10 (top), 20 (right),
30 (bottom), 40 (left)
@end itemize
The default value of @var{boxborderw} is "0".
@item boxcolor
The color to be used for drawing box around text. For the syntax of this